onTargetFound

Called when the target position is laid out. This is the last callback SmoothScroller
will receive and it should update the provided RecyclerView.SmoothScroller.Action to define the scroll
details towards the target view.

Parameters

targetView

View: The view element which render the target position.

state

RecyclerView.State: Transient state of RecyclerView

action

RecyclerView.SmoothScroller.Action: Action instance that you should update to define final scroll action
towards the targetView